现在，经过这些天在山东大学的学习，我对机械工程知识有了更深刻的理解。

Now, after these days in Shandong University, studying mechanical engineering knowledge, I have a more profound understanding.

youdao

现在，经过这些天在山东大学的学习，我对机械工程知识有了更深刻的理解。

Now, after these days in Shandong University, studying mechanical engineering knowledge, I have a more profound understanding.

youdao